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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>GTestDBus: GIO Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="GIO Reference Manual"> <link rel="up" href="testing.html" title="GIO Testing"> <link rel="prev" href="testing.html" title="GIO Testing"> <link rel="next" href="unix-support.html" title=""> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#GTestDBus.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#GTestDBus.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> <a href="#GTestDBus.properties" class="shortcut">Properties</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="testing.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="testing.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="unix-support.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="GTestDBus"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="GTestDBus.top_of_page"></a>GTestDBus</span></h2> <p>GTestDBus — D-Bus testing helper</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="GTestDBus.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="returnvalue">GTestDBus</span></a> * </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-new" title="g_test_dbus_new ()">g_test_dbus_new</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags"><span class="returnvalue">GTestDBusFlags</span></a> </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-get-flags" title="g_test_dbus_get_flags ()">g_test_dbus_get_flags</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type">const <span class="returnvalue">gchar</span> * </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-get-bus-address" title="g_test_dbus_get_bus_address ()">g_test_dbus_get_bus_address</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-add-service-dir" title="g_test_dbus_add_service_dir ()">g_test_dbus_add_service_dir</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-up" title="g_test_dbus_up ()">g_test_dbus_up</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-stop" title="g_test_dbus_stop ()">g_test_dbus_stop</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-down" title="g_test_dbus_down ()">g_test_dbus_down</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GTestDBus.html#g-test-dbus-unset" title="g_test_dbus_unset ()">g_test_dbus_unset</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GTestDBus.properties"></a><h2>Properties</h2> <div class="informaltable"><table class="informaltable" border="0"> <colgroup> <col width="150px" class="properties_type"> <col width="300px" class="properties_name"> <col width="200px" class="properties_flags"> </colgroup> <tbody><tr> <td class="property_type"><a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags"><span class="type">GTestDBusFlags</span></a></td> <td class="property_name"><a class="link" href="GTestDBus.html#GTestDBus--flags" title="The “flags” property">flags</a></td> <td class="property_flags">Read / Write / Construct Only</td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="GTestDBus.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody> <tr> <td class="datatype_keyword"> </td> <td class="function_name"><a class="link" href="GTestDBus.html#GTestDBus-struct" title="GTestDBus">GTestDBus</a></td> </tr> <tr> <td class="datatype_keyword">enum</td> <td class="function_name"><a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags">GTestDBusFlags</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GTestDBus.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> GFlags <span class="lineart">╰──</span> GTestDBusFlags GObject <span class="lineart">╰──</span> GTestDBus </pre> </div> <div class="refsect1"> <a name="GTestDBus.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <gio/gio.h> </pre> </div> <div class="refsect1"> <a name="GTestDBus.description"></a><h2>Description</h2> <p>A helper class for testing code which uses D-Bus without touching the user's session bus.</p> <p>Note that <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> modifies the user’s environment, calling <code class="function">setenv()</code>. This is not thread-safe, so all <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> calls should be completed before threads are spawned, or should have appropriate locking to ensure no access conflicts to environment variables shared between <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> and other threads.</p> <div class="refsect3"> <a name="id-1.4.26.2.8.4"></a><h4>Creating unit tests using GTestDBus</h4> <p>Testing of D-Bus services can be tricky because normally we only ever run D-Bus services over an existing instance of the D-Bus daemon thus we usually don't activate D-Bus services that are not yet installed into the target system. The <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> object makes this easier for us by taking care of the lower level tasks such as running a private D-Bus daemon and looking up uninstalled services in customizable locations, typically in your source code tree.</p> <p>The first thing you will need is a separate service description file for the D-Bus daemon. Typically a <code class="literal">services</code> subdirectory of your <code class="literal">tests</code> directory is a good place to put this file.</p> <p>The service file should list your service along with an absolute path to the uninstalled service executable in your source tree. Using autotools we would achieve this by adding a file such as <code class="literal">my-server.service.in</code> in the services directory and have it processed by configure.</p> <div class="informalexample"> <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="listing_lines" align="right"><pre>1 2 3</pre></td> <td class="listing_code"><pre class="programlisting"><span class="p">[</span><span class="n">D</span><span class="o">-</span><span class="n">BUS</span> <span class="n">Service</span><span class="p">]</span> <span class="n">Name</span><span class="o">=</span><span class="n">org</span><span class="p">.</span><span class="n">gtk</span><span class="p">.</span><span class="n">GDBus</span><span class="p">.</span><span class="n">Examples</span><span class="p">.</span><span class="n">ObjectManager</span> <span class="n">Exec</span><span class="o">=</span><span class="err">@</span><span class="n">abs_top_builddir</span><span class="err">@</span><span class="o">/</span><span class="n">gio</span><span class="o">/</span><span class="n">tests</span><span class="o">/</span><span class="n">gdbus</span><span class="o">-</span><span class="n">example</span><span class="o">-</span><span class="n">objectmanager</span><span class="o">-</span><span class="n">server</span></pre></td> </tr> </tbody> </table> </div> <p> You will also need to indicate this service directory in your test fixtures, so you will need to pass the path while compiling your test cases. Typically this is done with autotools with an added preprocessor flag specified to compile your tests such as:</p> <div class="informalexample"> <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="listing_lines" align="right"><pre>1</pre></td> <td class="listing_code"><pre class="programlisting"><span class="o">-</span><span class="n">DTEST_SERVICES</span><span class="o">=</span><span class="err">\</span><span class="s">""</span><span class="err">$</span><span class="p">(</span><span class="n">abs_top_builddir</span><span class="p">)</span><span class="o">/</span><span class="n">tests</span><span class="o">/</span><span class="n">services</span><span class="s">"</span><span class="se">\"</span></pre></td> </tr> </tbody> </table> </div> <p> Once you have a service definition file which is local to your source tree, you can proceed to set up a GTest fixture using the <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> scaffolding.</p> <p>An example of a test fixture for D-Bus services can be found here: <a class="ulink" href="https://git.gnome.org/browse/glib/tree/gio/tests/gdbus-test-fixture.c" target="_top">gdbus-test-fixture.c</a></p> <p>Note that these examples only deal with isolating the D-Bus aspect of your service. To successfully run isolated unit tests on your service you may need some additional modifications to your test case fixture. For example; if your service uses GSettings and installs a schema then it is important that your test service not load the schema in the ordinary installed location (chances are that your service and schema files are not yet installed, or worse; there is an older version of the schema file sitting in the install location).</p> <p>Most of the time we can work around these obstacles using the environment. Since the environment is inherited by the D-Bus daemon created by <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> and then in turn inherited by any services the D-Bus daemon activates, using the setup routine for your fixture is a practical place to help sandbox your runtime environment. For the rather typical GSettings case we can work around this by setting <code class="literal">GSETTINGS_SCHEMA_DIR</code> to the in tree directory holding your schemas in the above <code class="function">fixture_setup()</code> routine.</p> <p>The GSettings schemas need to be locally pre-compiled for this to work. This can be achieved by compiling the schemas locally as a step before running test cases, an autotools setup might do the following in the directory holding schemas:</p> <div class="informalexample"> <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> <tbody> <tr> <td class="listing_lines" align="right"><pre>1 2 3 4</pre></td> <td class="listing_code"><pre class="programlisting"><span class="n">all</span><span class="o">-</span><span class="nl">am</span><span class="p">:</span> <span class="err">$</span><span class="p">(</span><span class="n">GLIB_COMPILE_SCHEMAS</span><span class="p">)</span> <span class="p">.</span> <span class="n">CLEANFILES</span> <span class="o">+=</span> <span class="n">gschemas</span><span class="p">.</span><span class="n">compiled</span></pre></td> </tr> </tbody> </table> </div> <p></p> </div> </div> <div class="refsect1"> <a name="GTestDBus.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="g-test-dbus-new"></a><h3>g_test_dbus_new ()</h3> <pre class="programlisting"><a class="link" href="GTestDBus.html" title="GTestDBus"><span class="returnvalue">GTestDBus</span></a> * g_test_dbus_new (<em class="parameter"><code><a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags"><span class="type">GTestDBusFlags</span></a> flags</code></em>);</pre> <p>Create a new <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> object.</p> <div class="refsect3"> <a name="g-test-dbus-new.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>flags</p></td> <td class="parameter_description"><p>a <a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags"><span class="type">GTestDBusFlags</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="g-test-dbus-new.returns"></a><h4>Returns</h4> <p>a new <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a>. </p> <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> </div> </div> <hr> <div class="refsect2"> <a name="g-test-dbus-get-flags"></a><h3>g_test_dbus_get_flags ()</h3> <pre class="programlisting"><a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags"><span class="returnvalue">GTestDBusFlags</span></a> g_test_dbus_get_flags (<em class="parameter"><code><a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> *self</code></em>);</pre> <p>Get the flags of the <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> object.</p> <div class="refsect3"> <a name="g-test-dbus-get-flags.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>self</p></td> <td class="parameter_description"><p>a <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="g-test-dbus-get-flags.returns"></a><h4>Returns</h4> <p> the value of <a class="link" href="GTestDBus.html#GTestDBus--flags" title="The “flags” property"><span class="type">“flags”</span></a> property</p> </div> </div> <hr> <div class="refsect2"> <a name="g-test-dbus-get-bus-address"></a><h3>g_test_dbus_get_bus_address ()</h3> <pre class="programlisting">const <span class="returnvalue">gchar</span> * g_test_dbus_get_bus_address (<em class="parameter"><code><a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> *self</code></em>);</pre> <p>Get the address on which dbus-daemon is running. If <a class="link" href="GTestDBus.html#g-test-dbus-up" title="g_test_dbus_up ()"><code class="function">g_test_dbus_up()</code></a> has not been called yet, <code class="literal">NULL</code> is returned. This can be used with <a class="link" href="GDBusConnection.html#g-dbus-connection-new-for-address" title="g_dbus_connection_new_for_address ()"><code class="function">g_dbus_connection_new_for_address()</code></a>.</p> <div class="refsect3"> <a name="g-test-dbus-get-bus-address.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>self</p></td> <td class="parameter_description"><p>a <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="g-test-dbus-get-bus-address.returns"></a><h4>Returns</h4> <p>the address of the bus, or <code class="literal">NULL</code>. </p> <p><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> </div> </div> <hr> <div class="refsect2"> <a name="g-test-dbus-add-service-dir"></a><h3>g_test_dbus_add_service_dir ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> g_test_dbus_add_service_dir (<em class="parameter"><code><a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> *self</code></em>, <em class="parameter"><code>const <span class="type">gchar</span> *path</code></em>);</pre> <p>Add a path where dbus-daemon will look up .service files. This can't be called after <a class="link" href="GTestDBus.html#g-test-dbus-up" title="g_test_dbus_up ()"><code class="function">g_test_dbus_up()</code></a>.</p> <div class="refsect3"> <a name="g-test-dbus-add-service-dir.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>self</p></td> <td class="parameter_description"><p>a <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>path</p></td> <td class="parameter_description"><p>path to a directory containing .service files</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="g-test-dbus-up"></a><h3>g_test_dbus_up ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> g_test_dbus_up (<em class="parameter"><code><a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> *self</code></em>);</pre> <p>Start a dbus-daemon instance and set DBUS_SESSION_BUS_ADDRESS. After this call, it is safe for unit tests to start sending messages on the session bus.</p> <p>If this function is called from setup callback of <code class="function">g_test_add()</code>, <a class="link" href="GTestDBus.html#g-test-dbus-down" title="g_test_dbus_down ()"><code class="function">g_test_dbus_down()</code></a> must be called in its teardown callback.</p> <p>If this function is called from unit test's <code class="function">main()</code>, then <a class="link" href="GTestDBus.html#g-test-dbus-down" title="g_test_dbus_down ()"><code class="function">g_test_dbus_down()</code></a> must be called after <code class="function">g_test_run()</code>.</p> <div class="refsect3"> <a name="g-test-dbus-up.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>self</p></td> <td class="parameter_description"><p>a <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="g-test-dbus-stop"></a><h3>g_test_dbus_stop ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> g_test_dbus_stop (<em class="parameter"><code><a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> *self</code></em>);</pre> <p>Stop the session bus started by <a class="link" href="GTestDBus.html#g-test-dbus-up" title="g_test_dbus_up ()"><code class="function">g_test_dbus_up()</code></a>.</p> <p>Unlike <a class="link" href="GTestDBus.html#g-test-dbus-down" title="g_test_dbus_down ()"><code class="function">g_test_dbus_down()</code></a>, this won't verify the <a class="link" href="GDBusConnection.html" title="GDBusConnection"><span class="type">GDBusConnection</span></a> singleton returned by <a class="link" href="GDBusConnection.html#g-bus-get" title="g_bus_get ()"><code class="function">g_bus_get()</code></a> or <a class="link" href="GDBusConnection.html#g-bus-get-sync" title="g_bus_get_sync ()"><code class="function">g_bus_get_sync()</code></a> is destroyed. Unit tests wanting to verify behaviour after the session bus has been stopped can use this function but should still call <a class="link" href="GTestDBus.html#g-test-dbus-down" title="g_test_dbus_down ()"><code class="function">g_test_dbus_down()</code></a> when done.</p> <div class="refsect3"> <a name="g-test-dbus-stop.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>self</p></td> <td class="parameter_description"><p>a <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="g-test-dbus-down"></a><h3>g_test_dbus_down ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> g_test_dbus_down (<em class="parameter"><code><a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> *self</code></em>);</pre> <p>Stop the session bus started by <a class="link" href="GTestDBus.html#g-test-dbus-up" title="g_test_dbus_up ()"><code class="function">g_test_dbus_up()</code></a>.</p> <p>This will wait for the singleton returned by <a class="link" href="GDBusConnection.html#g-bus-get" title="g_bus_get ()"><code class="function">g_bus_get()</code></a> or <a class="link" href="GDBusConnection.html#g-bus-get-sync" title="g_bus_get_sync ()"><code class="function">g_bus_get_sync()</code></a> to be destroyed. This is done to ensure that the next unit test won't get a leaked singleton from this test.</p> <div class="refsect3"> <a name="g-test-dbus-down.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>self</p></td> <td class="parameter_description"><p>a <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="g-test-dbus-unset"></a><h3>g_test_dbus_unset ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> g_test_dbus_unset (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Unset DISPLAY and DBUS_SESSION_BUS_ADDRESS env variables to ensure the test won't use user's session bus.</p> <p>This is useful for unit tests that want to verify behaviour when no session bus is running. It is not necessary to call this if unit test already calls <a class="link" href="GTestDBus.html#g-test-dbus-up" title="g_test_dbus_up ()"><code class="function">g_test_dbus_up()</code></a> before acquiring the session bus.</p> </div> </div> <div class="refsect1"> <a name="GTestDBus.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="GTestDBus-struct"></a><h3>GTestDBus</h3> <pre class="programlisting">typedef struct _GTestDBus GTestDBus;</pre> <p>The <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> structure contains only private data and should only be accessed using the provided API.</p> <p class="since">Since: <a class="link" href="api-index-2-34.html#api-index-2.34">2.34</a></p> </div> <hr> <div class="refsect2"> <a name="GTestDBusFlags"></a><h3>enum GTestDBusFlags</h3> <p>Flags to define future <a class="link" href="GTestDBus.html" title="GTestDBus"><span class="type">GTestDBus</span></a> behaviour.</p> <div class="refsect3"> <a name="GTestDBusFlags.members"></a><h4>Members</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="300px" class="enum_members_name"> <col class="enum_members_description"> <col width="200px" class="enum_members_annotations"> </colgroup> <tbody><tr> <td class="enum_member_name"><p><a name="G-TEST-DBUS-NONE:CAPS"></a>G_TEST_DBUS_NONE</p></td> <td class="enum_member_description"> <p>No flags.</p> </td> <td class="enum_member_annotations"> </td> </tr></tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-2-34.html#api-index-2.34">2.34</a></p> </div> </div> <div class="refsect1"> <a name="GTestDBus.property-details"></a><h2>Property Details</h2> <div class="refsect2"> <a name="GTestDBus--flags"></a><h3>The <code class="literal">“flags”</code> property</h3> <pre class="programlisting"> “flags” <a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags"><span class="type">GTestDBusFlags</span></a></pre> <p><a class="link" href="GTestDBus.html#GTestDBusFlags" title="enum GTestDBusFlags"><span class="type">GTestDBusFlags</span></a> specifying the behaviour of the D-Bus session.</p> <p>Owner: GTestDBus</p> <p>Flags: Read / Write / Construct Only</p> <p class="since">Since: <a class="link" href="api-index-2-34.html#api-index-2.34">2.34</a></p> </div> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>